<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js"></script>
    <script src="./js/jquery.plugin.min.js"></script>
    <script src="./js/jquery.countdown.min.js"></script>
</head>
<body>
    <div class="show">
        <div class="hour">

        </div>
        :
        <div class="minute">

        </div>
        :
        <div class="second">

        </div>
    </div>
    <script>
        $('.hour').countdown({
            until:3600,
            padZeroes:true,
            compact:true,
            timeSeparator:' '
        })
    </script>
</body>
</html>